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Arro develops one of most modern refining ..
Dec 20, 1925 Lewistown Democrat news.
It may well be doubted if the little group of men who four years ago founded the Arro refinery ever
expected to see the enterprise develop in less than five years into the huge industry of the day, with
works covering acres of ground, hundreds of thousands of dollars invested in it and a plant that ranks
with the most complete and up to date in the west. This industry has now been firmly established upon
a foundation that not only insures its permanence but also its future growth, for with the continual
development of its trade, as now assured, further expansion is inevitable.
A Hire of lndustry
A glimpse over the Arro plant, situated two miles northwest of Lewistown, is a most interesting
experience even to one whose knowledge of the processes of manufacturing gasoline and the other
products from crude oil is as profound a mystery as is the Einstein theory of relativity. One is
immediately impressed, however, with the economies practiced throughout the various units of this
splendid plant. Waste gasses are utilized in supplying heat for the many furnaces and the construction of
these units is in itself most interesting. Looking over the buildings out there one soon realizes what a
transformation has been wrought since the first structures were put up, for scarcely anything of them
remains. To go back to the beginning we find from the records that the Arro Oil and Refining Company
was incorporated under the laws of Delaware, the articles of incorporation being dated June 30, t927.
The original directors were George J. Wiedeman, O. W. Belden, J. E. Lane, Herbert A. Hover, Harry H.
Schwartz, Jr. Ed L. Allen, Thomas T. Taylor, Jr., John D. Waite, Jr., and Austin R. Warr. On July 7,
following, these directors held their first meeting and elected G. J. Wiedeman, president; H. A. Hover,
vice presiden! O. W. Belden, treasurer, and T. T. Taylor, Jr., secretary.
Many changes in the personnel of the company have occurred since that beginning and the present
officers are; H. H. Schwartz, Jr., presiden! Ed L. Allen, first vice-president and treasurer; C. H. Brown,
second vice-president and sale manager; Fred W. Stone, secretary.
SmallBeginning
The growth of the enterprise has been continuous since the start was made in 1921 with 250 barrel
average run to this day, when the plant is capable of running 4000 barrels daily and is actually refining at
the present time in excess of 2500 barrels daily.
The Dubbs Unit
The most notable improvement of the past year has been the completion of the Dubb's cracking unit,
which was installed at a cost of 5125,000.
This unit represents the last word in such plants and is even an advance of most of them, some changes
having been made that increase its efficiency and at the same time add materially to its safety.
This Dubbs' cracking unit is the most striking feature of the ones that challenge attention at the Arro's
big plant. lt represents the years of toil on the part of chemists and experimenters and to the layman. lts
operation seems like magic, its operations all completed, being automatic, and primarily resulting from
the application of heat to the crude oil. Yet even after the mysterious change which releases this
gasoline from the crude cracks it the work is just begun at the refinery. For this gasoline most go
through other processes by which its impurities are attacked by chemicals and the sulphur and other
contents that come under the head of impurities, must be removed. The building devoted to this
refining process is a most interesting one and the processes employed are again mysterious to the
outsider, but simple enough to Fred Stone, the chemist, who installed the system.
Many Processes
The crude oil, dark smelty, with a lot of things in it that must be wholly eliminated, comes to this
refinery, goes through one process after another until the gasoline is not simply extracted from it, but is
made perfect in color, odor, boiling point and soon, ln a word, it must be a perfect gasoline.

Article describes the many processes at the Arro Oil Refinery located 2 miles northwest of Lewistown, Montana. The company started in 1921. The oil came from the Cat Creek oil field near Winnett, Montana.

Arro develops one of most modern refining ..
Dec 20, 1925 Lewistown Democrat news.
It may well be doubted if the little group of men who four years ago founded the Arro refinery ever
expected to see the enterprise develop in less than five years into the huge industry of the day, with
works covering acres of ground, hundreds of thousands of dollars invested in it and a plant that ranks
with the most complete and up to date in the west. This industry has now been firmly established upon
a foundation that not only insures its permanence but also its future growth, for with the continual
development of its trade, as now assured, further expansion is inevitable.
A Hire of lndustry
A glimpse over the Arro plant, situated two miles northwest of Lewistown, is a most interesting
experience even to one whose knowledge of the processes of manufacturing gasoline and the other
products from crude oil is as profound a mystery as is the Einstein theory of relativity. One is
immediately impressed, however, with the economies practiced throughout the various units of this
splendid plant. Waste gasses are utilized in supplying heat for the many furnaces and the construction of
these units is in itself most interesting. Looking over the buildings out there one soon realizes what a
transformation has been wrought since the first structures were put up, for scarcely anything of them
remains. To go back to the beginning we find from the records that the Arro Oil and Refining Company
was incorporated under the laws of Delaware, the articles of incorporation being dated June 30, t927.
The original directors were George J. Wiedeman, O. W. Belden, J. E. Lane, Herbert A. Hover, Harry H.
Schwartz, Jr. Ed L. Allen, Thomas T. Taylor, Jr., John D. Waite, Jr., and Austin R. Warr. On July 7,
following, these directors held their first meeting and elected G. J. Wiedeman, president; H. A. Hover,
vice presiden! O. W. Belden, treasurer, and T. T. Taylor, Jr., secretary.
Many changes in the personnel of the company have occurred since that beginning and the present
officers are; H. H. Schwartz, Jr., presiden! Ed L. Allen, first vice-president and treasurer; C. H. Brown,
second vice-president and sale manager; Fred W. Stone, secretary.
SmallBeginning
The growth of the enterprise has been continuous since the start was made in 1921 with 250 barrel
average run to this day, when the plant is capable of running 4000 barrels daily and is actually refining at
the present time in excess of 2500 barrels daily.
The Dubbs Unit
The most notable improvement of the past year has been the completion of the Dubb's cracking unit,
which was installed at a cost of 5125,000.
This unit represents the last word in such plants and is even an advance of most of them, some changes
having been made that increase its efficiency and at the same time add materially to its safety.
This Dubbs' cracking unit is the most striking feature of the ones that challenge attention at the Arro's
big plant. lt represents the years of toil on the part of chemists and experimenters and to the layman. lts
operation seems like magic, its operations all completed, being automatic, and primarily resulting from
the application of heat to the crude oil. Yet even after the mysterious change which releases this
gasoline from the crude cracks it the work is just begun at the refinery. For this gasoline most go
through other processes by which its impurities are attacked by chemicals and the sulphur and other
contents that come under the head of impurities, must be removed. The building devoted to this
refining process is a most interesting one and the processes employed are again mysterious to the
outsider, but simple enough to Fred Stone, the chemist, who installed the system.
Many Processes
The crude oil, dark smelty, with a lot of things in it that must be wholly eliminated, comes to this
refinery, goes through one process after another until the gasoline is not simply extracted from it, but is
made perfect in color, odor, boiling point and soon, ln a word, it must be a perfect gasoline.